Adjustable bearing



Oct. 14, 1930. A. K. SJOLANDER ADJUS TABLE BEARING Filed Dec. 24; 1927 2 Sheets-Sheet l N www n ww Oct. 14, 1930. A. K. sJoLANDER ADJUSTABLE BEARING Filed Dec. 24, 1927 @QQ i 2 Sheets-Sheet 2 fzveor A .for` adjustment. In the form shown it is lPatented Oct. 14, 1930 .UNITED STATES K. SJ'OLANDER, OF CHICAGO, ILLINOIS, ASSIGNOR T0 LINK-BELT COMPANY, OF CHICAGO, ILLINOISyA CORPORATION OF ILLINOIS' ADJUSTABLE BEARING PATIENT- OFFICE Application led December 24, 1927, Serialv No. 242,456.BFFSSU 'lhis invention relates to a bearing support and particularly to abearlngl adapted particularly adapted for use as a support for bearings used in connection with conveyors and conveyor chains where it is necessary to adjust the bearing to-compensate for wear .and to compensate for other changes which may occur". One object of .the Ainvention is to provide a strong and rigid bearing support which is capable of minute and rapid adjustment and which is ipositive and selflocking. Another object is to provide a bearing support or takeup ofthe general type shown, which is in effect formed of a single piece of material.l As shown herein, it is' made ofv several pieces welded and thus is, in effect, formed of a single member. Other. objects will appear from time to timein the specification and claims.

The invention is illustrated more or less diagrammatically in'the accompanying .draw- 3 Q5 with the bearing in place;

Figure A4 is a ,vertical cross section taken on line 4 4 of'Figure 3; and l Figure 5 is a view similar to Figure 3, .showing a modified form. v

Like parts are illustrated by like characters throughout the'specification an'd drawings.

A is a base portion which is formed genverall as shown, of channel sections, provide with downwardly depending sidemembers A1. added strengthening member A2 which extends across and joins the downwardly extending'members A1 at their bottoms. A3, A3

are additional reinforcing members extendf ing laterally across the member A and serving to brace the parts more rigidly. A4, A are holes formedin the member A and the reinforcing member A2 by means of which the parts may be screwed, bolted, or otherwise fastened to any suitable support. u Y

Adjacent each endv it may have an- Adjacentv each end of the member-.A is an lupwardly extending member B. which is welded to the member-A. It is provided with also rearwardly extending bracing members B1. These members overlie the member A an angular` upper edge, as shown, and has extending downwardly slightly beyond the member A1 and are joined to the member A2.

shaft C. B3, B3 are angularly shaped meml bers, one of which is welded to each ofthe members B and at its lower' edges, toh a pair of the members B1, the place of welding being. indicated as X. A'

The shaft C is threaded asiat C1, is square notched, or otherwise provided with an angularly shaped endportion C2 and is locked.

in position-by a pair of nuts C3, C3, each of which is pinned onto the shaft C by a pin or screw C. -Thus the shaft C is in a posi-- tion to rotate within the frame work made up of the parts A and B, but it cannot come out of the frame work.

-D is an angularly shaped member which forms in effect -a roof 'ver the threaded shaft.

It is preferably bolted to the members. B3, although it might be otherwise fastened to them.

. E is a bearing housing member provided with a laterally extended bearing E1 which has at its outer edges downwardly depending anges E2. E3 is a bushing in the bearing E.

E* 1s a lubricant connection. At E3 is a grease or oil cup or other lubricant containing memberld Adjacent the upper end the bearing housing E is providing with notched lugs E, E3 whlch partially inclose the threaded4 part C1 ofthe shaft C. i E7 is an angularly shaped notch `formed in t' upper part of the bearing housing E. Within this notch is positioned and held the nut E8 which is engaged on the threads C1 of the shaft C. By means of this construction when the shaft C is rotated, it will rotate with relation to the nut E3, and since this nut is held against `lrotation, the rotation of the shaft will cause the nut to move along it and will thus cause the bearing housing to be moved backwards and forwards in response to this rotation of the shaft. ln view of the shape and relative position of the threadsof the shaft and the nut, the shaft cannot be rotated by pressure upon the nut from the bearing and the device therefore is self-locking and can only be moved when the shaft is positively'rotated to cause movement.

rlhere is shown in Figure 5 a modified form which is similar to the construction shown in Figure 3 except thatI the end pieces B and B1 are turned about and their vertical endfaces point outward rather than inward. *One result of this is to lengthen the possible travel of the bearing within the take upassembly without lengthening the assembly as a Whole. In the form shown in Figure 3 the effective -length'for bearing' travel is the distance in-` side the faces B whereas the effective length of the device shown inFigure is also the distance between the faces B but they have been reversed and thus where the member D remains the same in length, the effective length of travel of the bearing is materially increased. Invthe form, shown in Figure 5 instead of the screw C, as used in Figure 3, a

bolt F .is used. It is provided with a threaded portion F1 and a head F2.' The nuts upon 'it are the same as those used in the form shown in Figure 3.

I claim:

the deposit of dirt and foreign matter in general. i

3. Aln combination in an adjustable bearing, supportmember, a main base member comprising a supporting frame work and guiding track, such member provided with raised member, and a covering member removably attached to the upward end portions, lying abovev and extending laterally and downwardly with relation to such threaded shaft, whereby the shaft is protected from the def posit of dirt and foreign matter in general.

SignedI at Chicago', county of Cooln'and end portions and spaced reinforcing elements,

-the bearing block to move along'the base State-of Illinois, this 5th day of December, f

- A. K. SJOLANDER.

1. vln combination in an 'adjustable bearing support member, a main base member :comprising a supporting framework and guiding track, such member provided with end portions, a bearing block formedto Ioverlap said track element and adapted to beu moved therealong, a movingoand controlling vshaft mounted yfor rotation in the endporltions of such base member, provided with athread, so` that rotation of the shaft causes the bearing block to move along the base member, and a coveringmember, removably attached tothe upward end portions, lying above and extending laterally and down-l wardly with relation to such threaded shaft,

lwhereby the shaft is protectedfrom the. de-

posit of dirt and foreign matter in eneral.

2. ln combination in an adjustable caring support member, a main base member comprising a supporting" frame work and guid-y ing track, such member provided with end i portions, a bearing block formed to overlap said track elementeand adapted tovbe moved I therealong, a moving and controlling shaft mounted .for rotation inthe upper end portions of such base member, provided with a thread, and carrying a nut, saidfrnut engaging said bearing block and'being held against rotation therein, so that rotation' ofthe sjhaft causes the bearing block t9l move along the base member, and a covering member removably attached to the upward end por- ',tions, lying above and extending laterally and downwardly with relation to such thread,- l

ed shaft, whereby the shaft i'szprotected from rae 

